a = int(input("请输入a:"))
b = int(input("请输入b："))
c = int(input("请输入c："))
if a>b:
    if a>c:
        print("a is the largest")
    else:
        print("b is the largest")
else:
    if b>c:
        print("b is the largest")
    else:
        print("c is the largest")